S.U.R. & R. AC1812 #8 Hose to 1/2″ Compression Union is a versatile solution for quick, on-the-car A/C line repairs. This union is ideal for repairing failed collar crimps, corroded sections, cracks, and kinks on both SAE and metric-sized aluminum lines, providing a cost-effective alternative to full line replacements. It can be purchased individually or as part of the AC1387 Deluxe A/C Line Repair Kit, making it a go-to choice for automotive A/C repairs.Features: On-the-car repairs made simple and convenient. Hand-tighten connectionsno specialty tools needed. Compression unions and adapters specifically designed for A/C line repair applications. Available in both metric and SAE sizes, including 5/16″, 3/8″, 1/2″, 5/8″, 3/4″, 6mm, 8mm, 10mm, 12mm, 14.5mm, 15mm, 16mm, and 19mm. Drastically reduces labor time for repairs. Pressure rated up to 600 psi for reliable performance under high pressure. Constructed from rust-resistant aluminum for long-lasting durability.Benefits: Quick and Easy Installation: Easily connects by hand without special tools. Cost-Effective Solution: Repair instead of replacing entire A/C lines to save money. Durable and Corrosion-Resistant: Aluminum construction ensures lasting performance and prevents rust.Technical Specifications: Model: AC1812 Connector Type: #8 Hose to 1/2″ Compression Union Application: A/C line repairs and replacements Material: Aluminum Pressure Rating: Up to 600 psi Package Quantity: 1 union per pack